Already on the shortlist of films contending for the Oscar for best documentary feature, "Chasing Ice" follows National Geographic photographer James Balog and his team as they use innovative camera technology to capture the impact of climate change on the world's glaciers and icebergs. It opens at the Oriental Theatre Friday.

Orlowski will introduce and hold question-and-answer sessions after the 7:30 and 10 p.m. shows Friday and Saturday at the Oriental.